CN208669497U - The machine integrated blade operating system of axial-flow rotary propeller type hydraulic generator - Google Patents
The machine integrated blade operating system of axial-flow rotary propeller type hydraulic generator Download PDFInfo
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- CN208669497U CN208669497U CN201821248720.XU CN201821248720U CN208669497U CN 208669497 U CN208669497 U CN 208669497U CN 201821248720 U CN201821248720 U CN 201821248720U CN 208669497 U CN208669497 U CN 208669497U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The utility model provides a kind of machine integrated blade operating system of axial-flow rotary propeller type hydraulic generator, operating system includes the turbine shaft set gradually from top to bottom, wheel blade servomotor and web, piston is equipped in wheel blade servomotor, piston base is connect with setting in the intracorporal crosshead of runner by piston rod, crosshead is connect with connecting rod by pin shaft, the other end of connecting rod is connect with pivoted arm by pin shaft, and pivoted arm is connect with pivot, blade by bolt and pin shaft.Fuel tank is equipped in the turbine shaft, oil is delivered in pressure oil tank by the fuel tank by pressure oil pump group, and air bag is equipped in pressure oil tank, and pressure oil tank is connected to by pipeline and distributing valve with two oil pockets that piston on the side and downside is arranged in.It realizes blade operating system and the integrated design of turbine shaft rotatable parts, fundamentally solves series of problems present in Split paddle operating system, while greatly reducing plant maintenance difficulty and maintenance cost.
Description
Technical field
The utility model relates to axial-flow wheel machine equipment, in particular to a kind of axial-flow rotary propeller type hydraulic generator is machine integrated
Blade operating system.
Background technique
Axial-flow rotary propeller type turbine-generator units blade operating system is all made of traditional split-type design at present, such as Fig. 2 institute
Show, i.e., hydraulic control system and forced oil device are arranged in workshop region, hydraulic actuating mechanism is arranged in hydraulic turbine rotatable parts
It is internal.Forced oil device provides operation power oil sources, and hydraulic control system passes through electro-hydraulic conversion equipment according to governor regulating command
Power oil sources is passed through operating oil line by oil head, controls the oil pressure of open and close chamber oil circuit, so that hydraulic actuating mechanism is driven,
Control blade is rotated.Hydraulic actuating mechanism is made of piston, crosshead, connecting rod, pivoted arm and pivot, is controlled oil and is entered operation
Oil pipe, control the upper and lower chamber of piston oil pressure, then control piston be moved upwardly or downwardly along wheel hub, drive crosshead upwards or
It moves downward, traction link movement drives pivoted arm and pivot to move in a circle around pivot center line, and driving blade is turned
It is dynamic.
Traditional design method shares a set of forced oil device (including oil using blade operating system and guide vane operating system
Case, oil tank, gas tank, pressure oil pump group), hydraulic control system and forced oil device are arranged in independently of the factory except unit running gear
Room region.Turbine oil removes driving hydraulic actuating mechanism from forced oil device, by hydraulic control system, and intermediate palpus is by electro-hydraulic
Conversion equipment, oil head and longer operating line.It is found according to real work, there are many problems for the arragement construction:
1, traditional blade operating system design has the components such as oil head, operating oil line, spilled oil basin, and structure is complicated, leakage
Point is more, and maintenance difficulties are big, and maintenance cost is high；
2, hydraulic control system and forced oil device are arranged in workshop region, and hydraulic actuating mechanism is arranged in hydraulic turbine rotation
Components interior.Turbine oil reaches hydraulic actuating mechanism from forced oil device, by hydraulic control system, and intermediate oil circuit is too long,
Cause system oil amount big, it is poor to adjust quick-action；
3, the sealing between the open and close chamber oil circuit of operating oil line fully relies between oil head floating-bush and operating oil line
Clearance seal.There are throw when due to operating oil line operating, seal clearance cannot be designed too small, and the floating-bush of oil head exists
It is easily worn in During Process of Long-term Operation, therefore open and close chamber alters that oily phenomenon is serious, and unit time system oil amount is larger, causes
Oil pump frequent starting, oil temperature increase；
4, blade operating system and guide vane operating system share a set of forced oil device, since blade operating system is got dirty with oil
It is generally heavier to contaminate situation, largely affects the use oil quality of guide vane operating system, jeopardizes unit safety；
5, the mist of oil formed in spilled oil basin can pollute collector ring, influence unit safety.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of machine integrated blades of axial-flow rotary propeller type hydraulic generator
Operating system realizes blade operating system and the integrated design of turbine shaft rotatable parts, fundamentally solves split type paddle
Series of problems present in leaf operating system, while greatly reducing plant maintenance difficulty and maintenance cost.
A kind of in order to solve the above technical problems, the technical scheme adopted by the utility model is: axial-flow rotary propeller type water wheels hair
Motor integration blade operating system, including the turbine shaft, wheel blade servomotor and web set gradually from top to bottom, wheel
Piston is equipped in leaf servomotor, piston base is connect with setting in the intracorporal crosshead of runner by piston rod, crosshead and company
Bar is connected by pin shaft, and the other end of connecting rod is connect with pivoted arm by pin shaft, and pivoted arm and pivot, blade are connected by bolt and pin shaft
It connects, fuel tank is equipped in the turbine shaft, oil is delivered in pressure oil tank by pressure oil pump group, is equipped in pressure oil tank by the fuel tank
Air bag, pressure oil tank is connected to by pipeline and distributing valve with two oil pockets that piston on the side and downside is arranged in, in turbine shaft
Electro-control converter is connect with distributing valve.
In preferred scheme, the normal pressure oil pocket of the intracorporal wheel hub of runner is connected to by liaison tube with fuel tank.
In preferred scheme, the pressure oil tank connects pressure sensor.
In further embodiment, controller is equipped in the turbine shaft, controller and pressure sensor are electrically connected, if
Set the start and stop of the oil gear control cabinet control pressure oil pump group on the outside of the hydraulic turbine.
In further scheme, the controller and electro-control converter are electrically connected, controller by communication module with
Governor electrical cabinet and oil gear control cabinet are wirelessly connected.
The machine integrated blade operating system of a kind of axial-flow rotary propeller type hydraulic generator provided by the utility model, eliminates complexity
Oil head, spilled oil basin and interminable operating oil line, it is greatly simplified in structure design, fundamentally solve conventional two-piece
Series of problems present in blade operating system, while plant maintenance difficulty and maintenance cost are greatly reduced, specific advantage is such as
Under:
1, it due to eliminating interminable operating oil line, can largely shorten operation oil circuit, greatly reduce operation system
System oil mass improves blade and adjusts quick-action.
2, due to eliminating complicated oil receiver structure, it is oily can thoroughly to solve the problems, such as that control oil pipe open and close chamber is altered.
3, due to eliminating spilled oil basin, it can completely avoid the contaminated with oil mist caused by collector ring.
4, it since blade operating system uses independent forced oil device, can completely avoid and guide vane operating system oil phase
Mutually pollution.
5, design uses higher nominal operation oil pressure grade, can reduce the size of hydraulic actuating mechanism, accordingly can be with
The volume for reducing web improves the conveyance capacity of runner, increases output of hydraulic turbine, generates huge economic benefit.
6, structure design is upper greatly simplified, eliminates complicated vulnerable part, and breakthrough is reduced, and greatly reduces plant maintenance
Difficulty.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples:
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the structural schematic diagram of the prior art.
Fig. 3 is the control figure of the utility model.
In figure: turbine shaft 1, wheel blade servomotor 2, web 3, piston 4, piston rod 5, crosshead 6, connecting rod 7, pivoted arm 8,
Pivot 9, blade 10, fuel tank 11, pressure oil tank 12, air bag 13, distributing valve 14, electro-control converter 15, pressure oil pump group 16, liaison tube
17, wheel hub 18.
Specific embodiment
As shown in figure 1, the machine integrated blade operating system of a kind of axial-flow rotary propeller type hydraulic generator, including successively set from top to bottom
Turbine shaft, wheel blade servomotor and the web set are equipped with piston in wheel blade servomotor, and piston base is by piston rod and sets
It sets in the intracorporal crosshead connection of runner, crosshead is connect with connecting rod by pin shaft, and the other end and pivoted arm of connecting rod pass through pin shaft
Connection, pivoted arm are connect with pivot, blade by bolt and pin shaft, and fuel tank is equipped in the turbine shaft, and the fuel tank passes through pressure
Oil is delivered in pressure oil tank by oil pump group, is equipped with air bag in pressure oil tank, pressure oil tank by distributing valve and setting in piston on the side and
Two oil pockets of downside are connected to, and the electro-control converter in turbine shaft is connect with distributing valve.
Forced oil device can so as to improve the acting ability of unit volume oil liquid using higher nominal operation oil pressure grade
It substantially to reduce the volume of forced oil device, is conveniently arranged in inside turbine shaft, while the size of hydraulic actuating mechanism can be reduced,
The volume that accordingly can reduce web improves the conveyance capacity of runner, increases output of hydraulic turbine.
Oil gear control cabinet on the outside of the hydraulic turbine is set and connect the start and stop control realized to pressure oil pump group with pressure oil pump group
System, the control of governor electrical cabinet and electro-control converter attended operation distributing valve realize that speed is adjusted.
The electrical source of power for stating pressure oil pump group is introduced by the way of brush from collector ring.
The normal pressure oil pocket of the intracorporal wheel hub of runner is connected to by liaison tube with fuel tank, and the work of oiling and concora crush is played
With.
The pressure oil tank connects pressure sensor.Pressure sensor is connect with oil gear control cabinet, and pressure sensor can
The pressure sensor of the PA-23S/80565.55 model produced with selecting keller section to strangle, pressure sensor is mounted on and is pressed
The oil pressure in pressure oil tank is measured on the pipeline of oil tank connection.
Preferably, as shown in figure 3, being equipped with controller in the turbine shaft, controller and pressure sensor are electrically connected.
Controller selects AT89S52 single-chip microcontroller.
The pressure oil pressure inside the tank that pressure sensor measures is sent to oil gear control cabinet, oil pressure after handling by controller
The pressure value that device control cabinet passes through the pressure oil tank measured controls the start and stop of pressure oil pump group.
Preferably, the controller and electro-control converter are electrically connected, and controller is electrical by communication module and governor
Cabinet and oil gear control cabinet are wirelessly connected.Communication module can select 4G communication module or GPRS communication module wirelessly to be passed
It is defeated.
The pressure oil pressure inside the tank that pressure sensor measures is sent to oil pressure by communication module after handling by controller and fills
Control cabinet is set, realizes wireless transmission.
When needing to adjust the speed the hydraulic turbine, the regulating command of governor electrical cabinet is sent to control by communication module
Device, electro-hydraulic conversion equipment receive regulating command, operate distributing valve, realize wireless control.
The solenoid valve block being arranged in turbine shaft is connect with controller, to realize the wireless control to solenoid valve block.
Specifically, the operating method of the machine integrated blade operating system of axial-flow rotary propeller type hydraulic generator are as follows: pressure oil pump first
Group draws oil liquid from fuel tank, pressure oil tank is pumped into after pressurized, the air bag in pressure oil tank carries out storage pressure after being compressed by oil liquid, electro-hydraulic
Conversion equipment receives the regulating command of governor electrical cabinet, operates distributing valve, controls the oil pressure of upper and lower two oil pockets of piston, control
Piston processed is moved upwardly or downwardly, and crosshead is driven to be moved upwardly or downwardly, and traction link movement drives pivoted arm and pivot to surround
Pivot center line moves in a circle, and driving blade is rotated.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the technical solution that the protection scope of the utility model should be recorded with claim, the technical solution recorded including claim
The equivalents of middle technical characteristic are protection scope.Equivalent replacement i.e. within this range is improved, also in the utility model
Protection scope within.
Claims (5)
1. a kind of machine integrated blade operating system of axial-flow rotary propeller type hydraulic generator, including the hydraulic turbine set gradually from top to bottom
Axis, wheel blade servomotor and web are equipped with piston in wheel blade servomotor, and piston base is by piston rod and is arranged in web
Interior crosshead connection, crosshead are connect with connecting rod by pin shaft, and the other end of connecting rod is connect with pivoted arm by pin shaft, pivoted arm and
Pivot, blade are connected by bolt with pin shaft, it is characterised in that: fuel tank are equipped in the turbine shaft, the fuel tank passes through pressure
Oil is delivered in pressure oil tank by oil pump group, air bag is equipped in pressure oil tank, pressure oil tank is by pipeline and distributing valve and setting in piston
Two oil pockets of the upper side and lower side are connected to, and the electro-control converter in turbine shaft is connect with distributing valve.
2. the machine integrated blade operating system of a kind of axial-flow rotary propeller type hydraulic generator according to claim 1, feature exist
In: the normal pressure oil pocket of the intracorporal wheel hub of runner is connected to by liaison tube with fuel tank.
3. the machine integrated blade operating system of a kind of axial-flow rotary propeller type hydraulic generator according to claim 1, feature exist
In: the pressure oil tank connects pressure sensor.
4. the machine integrated blade operating system of a kind of axial-flow rotary propeller type hydraulic generator according to claim 3, feature exist
In: controller is equipped in the turbine shaft, controller and pressure sensor are electrically connected, and the oil pressure on the outside of the hydraulic turbine is arranged in
The start and stop of device control cabinet control pressure oil pump group.
5. the machine integrated blade operating system of a kind of axial-flow rotary propeller type hydraulic generator according to claim 4, feature exist
In: the controller and electro-control converter are electrically connected, and controller passes through communication module and governor electrical cabinet and oil gear
Control cabinet is wirelessly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821248720.XU CN208669497U (en) | 2018-08-03 | 2018-08-03 | The machine integrated blade operating system of axial-flow rotary propeller type hydraulic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821248720.XU CN208669497U (en) | 2018-08-03 | 2018-08-03 | The machine integrated blade operating system of axial-flow rotary propeller type hydraulic generator |
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| CN208669497U true CN208669497U (en) | 2019-03-29 |
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| CN201821248720.XU Active CN208669497U (en) | 2018-08-03 | 2018-08-03 | The machine integrated blade operating system of axial-flow rotary propeller type hydraulic generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953032A (en) * | 2018-08-03 | 2018-12-07 | 中国长江电力股份有限公司 | The machine integrated blade operating system of axial-flow rotary propeller type hydraulic generator and operating method |
-
2018
- 2018-08-03 CN CN201821248720.XU patent/CN208669497U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953032A (en) * | 2018-08-03 | 2018-12-07 | 中国长江电力股份有限公司 | The machine integrated blade operating system of axial-flow rotary propeller type hydraulic generator and operating method |
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